Table 2-1is a list of vector locations.

Table 2-1. Vector Addresses

 

 

Address

Vector

 

 

 

 

 

 

$FFE6

PLL Vector (High)

Low

 

 

$FFE7

PLL Vector (Low)

 

 

 

 

 

 

 

 

$FFE8

Port-F Keyboard Vector (High)

 

 

 

 

 

 

$FFE9

Port-F Keyboard Vector (Low)

 

 

 

 

 

 

$FFEA

Port-D Keyboard Vector (High)

 

 

 

 

 

 

$FFEB

Port-D Keyboard Vector (Low)

 

 

 

 

 

 

$FFEC

Port-E Keyboard Vector (High)

 

 

 

 

 

 

$FFED

Port-E Keyboard Vector (Low)

 

 

 

 

 

 

$FFEE

TIM Overflow Vector (High)

 

 

 

 

 

 

$FFEF

TIM Overflow Vector (Low)

 

 

 

 

 

 

$FFF0

TIM Channel 1 Vector (High)

Priority

 

 

$FFF1

TIM Channel 1 Vector (Low)

 

 

 

 

 

 

 

 

$FFF2

TIM Channel 0 Vector (High)

 

 

 

 

 

 

$FFF3

TIM Channel 0 Vector (Low)

 

 

$FFF4

USB Device Endpoint Interrupt Vector (High)

 

 

 

 

 

 

$FFF5

USB Device Endpoint Interrupt Vector (Low)

 

 

 

 

 

 

$FFF6

USB HUB Endpoint Interrupt Vector (High)

 

 

 

 

 

 

$FFF7

USB HUB Endpoint Interrupt Vector (Low)

 

 

 

 

 

 

 

 

$FFF8

USB SIE Timing Interrupt Vector (High)

 

 

 

 

 

 

$FFF9

USB SIE Timing Interrupt Vector (Low)

 

 

 

 

 

 

$FFFA

IRQ1 Vector (High)

 

 

 

 

 

 

$FFFB

IRQ1 Vector (Low)

 

 

 

 

 

 

$FFFC

SWI Vector (High)

 

 

 

 

High

$FFFD

SWI Vector (Low)

 

 

$FFFE

Reset Vector (High)

 

 

 

 

 

 

$FFFF

Reset Vector (Low)

 

 

 

 

2.4 Monitor ROM

The 240 bytes at addresses $FE10–$FEFF are reserved ROM

addresses that contain the instructions for the monitor functions. (See

Section 10. Monitor ROM (MON).)

MC68HC(7)08KH12 Rev. 1.1

Advance Information

 

 

Freescale Semiconductor

43

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Freescale Semiconductor MC68HC08KH12 manual Monitor ROM, 1is a list of vector locations, Vector Addresses

MC68HC08KH12 specifications

The Freescale Semiconductor MC68HC08KH12 is a versatile microcontroller that has gained popularity in various embedded systems applications. Part of the HC08 family, this microcontroller combines a robust architecture with comprehensive on-chip features, making it suitable for a wide range of applications ranging from industrial control to consumer electronics.

One of the main features of the MC68HC08KH12 is its 8-bit architecture, which provides an optimal balance between performance and power efficiency. It operates at clock speeds of up to 2 MHz, allowing for efficient execution of instructions while maintaining low power consumption. The microcontroller is designed to operate over a voltage range of 2.7 to 5.5 volts, making it adaptable to various system requirements.

The MC68HC08KH12 is equipped with 1 Kbyte of RAM and 12 Kbytes of ROM, which allows for substantial program and data storage. The on-chip memory helps reduce the need for external components, simplifying the design of embedded systems and enhancing reliability. With a wide range of I/O options, including 26 general-purpose I/O pins, the microcontroller provides flexibility in interfacing with sensors, actuators, and other devices.

In terms of technologies, the MC68HC08KH12 features an advanced instruction set that enhances programming efficiency. It supports basic arithmetic operations, bit manipulation, and control transfer instructions, making it suitable for a variety of computational tasks. The integrated timers, analog-to-digital converters, and serial communication interfaces, including UART, provide the necessary tools for real-time control and data exchange with peripheral devices.

Another characteristic of the MC68HC08KH12 is its low power mode capabilities, which allow it to enter a sleep state during periods of inactivity. This feature is essential in battery-powered applications, where minimizing power consumption is crucial for extending operational life.

Overall, the Freescale Semiconductor MC68HC08KH12 stands out as a reliable microcontroller that combines performance, flexibility, and power efficiency. Its extensive features and technologies enable engineers to design robust embedded systems that meet the demands of modern applications. As a result, the MC68HC08KH12 remains a valuable choice for developers seeking a highly functional yet cost-effective microcontroller solution.